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## Mathematics

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QUIZ

10th

grade

52%

accuracy

636

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Divya Singh

4 years

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10 questions

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- 1. Multiple Choice45 seconds1 ptA list of numbers -10, -6, -2, 2 is _________an A.P with d = -16an A.P with d = 4an A.P with d = -4Not an A.P
- 2. Multiple Choice1 minute1 ptWhat is the first positive term of the sequence: -9, -5, -1, .......5431
- 3. Multiple Choice30 seconds1 pt
2019

^{th}term of an AP is written asa + 2018d

a + (2019 + 1) d

2018 d

2a + 2018 d

- 4. Multiple Choice1 minute1 pt
The next term of an AP $\sqrt{7}$ , $\sqrt{28}$ , $\sqrt{63}$ ,......is

$\sqrt{70}$

$\sqrt{84}$

$\sqrt{98}$

$\sqrt{112}$

- 5. Multiple Choice1 minute1 pt
The 5

^{th}term of an AP is -3 and its common difference is -4. The sum of its first 10 terms is_________50

-50

30

-30

- 6. Multiple Choice45 seconds1 pt
The common difference of the AP $\frac{1}{p}$ , $\frac{1-p}{p}$ , $\frac{1-2p}{p}$ ........is

p

-p

-1

1

- 7. Multiple Choice1 minute1 pt
The sum of first 20 odd natural numbers is

100

210

400

420

- 8. Multiple Choice1 minute1 pt
The sum of first 'n' terms of an AP is (3n

^{2 }+ 6n). The common difference of the AP is ______6

9

15

-3

- 9. Multiple Choice1 minute1 pt
What is the formula for the $n^{th}$ term of the AP $\frac{2}{3},\ 1,\ \frac{4}{3},\ ...$

$T_n=\frac{1}{3}\left(n-1\right)$

$T_n=\frac{1}{3}\left(n+1\right)$

$T_n=\frac{2}{3}\left(n+1\right)$

$T_n=\frac{2}{3}\left(n-1\right)$

- 10. Multiple Choice2 minutes1 pt
If 7 times the 7

^{th}term of an AP is equal to 11 times its 11^{th}term, then its 18^{th}term will be7

11

18

0

- Answer choicesTagsAnswer choicesTags
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